 | | Journal (article/letter/editorial) | | September/October 2014 445 Figure 8. Willemite with calcite, 12.5 cm tall, fluorescent under longwave ultraviolet...specimen. Figure 12 (below). Manganese-rich calcite on calcite, doubly terminated and the best of the find...the Intrepid Potash East mine, Eddy County, New Mexico. Mark Pospisil specimen. Figure 16 (below). Beryl...5-foot giant geode full of amethyst quartz and calcite that can be opened and closed with a simple turn...of a man in the famous Cave of Giants at Naica, Mexico. He talks about his experience in the cave while |  | | Journal (issue) | | his reach into other countries including China, Mexico and Colombia. His fledgling dealership grew so...January–February, 2024 presents the Definitive Guerrero AMETHYST Text by Alan Hart, Crystal Suh, and...Siberian amethyst could not be matched. The state of Guerrero encompasses a diverse landscape of flatlands,...notably in Zambia, Madagascar, Sri Lanka, USA, Mexico, Namibia, the Ural Mountains, and Australia. When...Mineralogical Record in 2004, the ‘definitive’ Guerrero amethyst specimen, a cluster of violet crystals |  | | Journal (article/letter/editorial) | | the Acatlán Complex over the Cretaceous Morelos–Guerrero Platform (Cerca et al. 2007). The Palaeozoic rocks...quartz, albite, Mg–Fe–chlorite, phengite, epidote, calcite, and leucoxene, which yield a metamorphic peak...antigorite). Associated minerals include magnetite, calcite, white mica, and talc (4%), and accessory chromite...rutile, zoisite, Mg–Fe chlorite, titanite, and calcite. The metamorphic assemblage is a HP association...actinolite, epidote, titanite, muscovite, and calcite. (3) Granitoid (482 ± 3 Ma; Galaz et al. 2013) |  | | Journal (issue) | | Wulfenite, 1-inch-on-edge crystal, Los Lamentos, Mexico. Wilensky Fine Minerals 14 Longview Ln. Middletown...oyelite crystals, with colorless, perfectly clear calcite crystals, from the N’Chwaning II mine. Renato and...quartz, 11 cm, from the Valenciana mine, Amatitlán, Guerrero, Mexico (no. 18361). Sven Bailey photo. The...School, Stuttgart (1905) Calcite Bigrigg mine Cumberland, England British calcite specimens from Cumberland...closed and specimens are rare and valuable. But calcite is among the most widely occurring minerals, and |  | | Journal (article/letter/editorial) | | Isotopes in Precipitation database for Veracruz, Mexico, and San Salvador, El Salvador. Herein we show...et al., 2008; Seltzer et al., 2000), and cave calcite speleothems (Fairchild et al., 2006; Lachniet,...in two isotope monitoring stations at Veracruz, Mexico, and San Salvador, El Salvador (IAEA/WMO, 1998)...homogenization. Michatoya river spring waters near Lago Amatitlán plot on the GMWL with δ18O values of −8 to − 10‰...significant gaps, such as are common farther north in Mexico (Tehuantepec Gap), Costa Rica/Nicaragua (Papagayo |  | | Catalog/List | | accompanied by an original painting by JD Miller. • The Guerrero Amethyst that graced the cover of the book on...28, 2014 | 12:00 PM CT 11 73007 MANGANOAN CALCITE with PYRITE Manaoshan Mine, Dongpo Ore Field, Suxian...Larson Collection Estimate: $8,000-$10,000 73012 CALCITE with SPHALERITE Elmwood Mine, Carthage, Central...about equally divided in focus between the twinned Calcite scalenohedron parked conspicuously on a corner...Estimate: $600-$800 73016 FLUORITE on QUARTZ with CALCITE Jiangxi Province, China Sometimes associated minerals |  | | Catalog/List | | Chondrite (Type III) Pueblito de Allende, Chihuahua, Mexico (26° 58’N, 105° 19’W) Witnessed Fall: February...Chondrite (Type III) Pueblito de Allende, Chihuahua, Mexico (26° 58’N, 105° 19’W) Witnessed Fall: February...system. The Allende ireball fell over Chihuahua, Mexico in 1969 providing a large amount of material for...Meteorite Ordinary Chondrite (H4) Wilton Rural Municipality, Saskatchewan, Canada (52°59.76’N, 109°50.89’W)...amazing metallic luster intermixed with stark white Calcite. This is a beautiful combination, which, of course |  | | Catalog/List | | early 1900’s; a Stephanite from Arizpe, Sonora, Mexico, possibly the worlds inest, according to people...and Canada and started acquiring specimens from Mexico and, shortly, from the rest of the world. In his...........................................36 New Mexico .............................................................................................80 Mexico .................................................Capitan District, Capitan Mts, Lincoln Co., New Mexico, USA “A small perfect lat “closed form” Japan law |  | | Book | | the peat was infiltrated by carbonates (fibrous calcite) before there was extensive compaction of the plants...2.11 Modern stromatolites from Laguna Mormona, Mexico. (Courtesy J. W. Schopf.) CHAPTER 2 upper surface...2.12 Modern stromatolite from Laguna Mormona, Mexico, showing lamellae of cyanobacterial colonies. (Courtesy...diameter from the Coatzingo Formation in Puebla, Mexico (Magallón-Puebla and Cevallos-Ferriz, 1993). The... 1982, 1984). From Cenozoic amber collected in Mexico, fungi have even been described inside fossil nematodes |
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